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/*
* Intel(R) Trace Hub Global Trace Hub (GTH) data structures
*
* Copyright (C) 2014-2015 Intel Corporation.
*
* This program is free software; you can redistribute it and/or modify it
* under the terms and conditions of the GNU General Public License,
* version 2, as published by the Free Software Foundation.
*
* This program is distributed in the hope it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
* more details.
*/
#ifndef __INTEL_TH_GTH_H__
#define __INTEL_TH_GTH_H__
/* Map output port parameter bits to symbolic names */
#define TH_OUTPUT_PARM(name) \
TH_OUTPUT_ ## name
enum intel_th_output_parm {
/* output port type */
TH_OUTPUT_PARM(port),
/* generate NULL packet */
TH_OUTPUT_PARM(null),
/* packet drop */
TH_OUTPUT_PARM(drop),
/* port in reset state */
TH_OUTPUT_PARM(reset),
/* flush out data */
TH_OUTPUT_PARM(flush),
/* mainenance packet frequency */
TH_OUTPUT_PARM(smcfreq),
};
/*
* Register offsets
*/
enum {
REG_GTH_GTHOPT0 = 0x00, /* Output ports 0..3 config */
REG_GTH_GTHOPT1 = 0x04, /* Output ports 4..7 config */
REG_GTH_SWDEST0 = 0x08, /* Switching destination masters 0..7 */
REG_GTH_GSWTDEST = 0x88, /* Global sw trace destination */
REG_GTH_SMCR0 = 0x9c, /* STP mainenance for ports 0/1 */
REG_GTH_SMCR1 = 0xa0, /* STP mainenance for ports 2/3 */
REG_GTH_SMCR2 = 0xa4, /* STP mainenance for ports 4/5 */
REG_GTH_SMCR3 = 0xa8, /* STP mainenance for ports 6/7 */
REG_GTH_SCR = 0xc8, /* Source control (storeEn override) */
REG_GTH_STAT = 0xd4, /* GTH status */
REG_GTH_SCR2 = 0xd8, /* Source control (force storeEn off) */
REG_GTH_DESTOVR = 0xdc, /* Destination override */
REG_GTH_SCRPD0 = 0xe0, /* ScratchPad[0] */
REG_GTH_SCRPD1 = 0xe4, /* ScratchPad[1] */
REG_GTH_SCRPD2 = 0xe8, /* ScratchPad[2] */
REG_GTH_SCRPD3 = 0xec, /* ScratchPad[3] */
};
/* Externall debugger is using Intel TH */
#define SCRPD_DEBUGGER_IN_USE BIT(24)
/* waiting for Pipeline Empty bit(s) to assert for GTH */
#define GTH_PLE_WAITLOOP_DEPTH 10000
#endif /* __INTEL_TH_GTH_H__ */
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